FixVault

PS09: Temporary Spark Advance

  1. Test conditions are transaxle in Park or Neutral and engine running. Calculated advance will be displayed when this test is selected. First time COOLER button on CCC is depressed, PCM will fix spark advance to 10° BTDC; DIC will display "10".
  2. By depressing COOLER button a second time, PCM will calculate a 1-2 degree timing retard, to a minimum of zero. Depressing WARMER button will increase spark advance up to maximum advance calculated by PCM. If an advance selected is greater than calculated value, "==" will be displayed.